#include<bits/stdc++.h>
using namespace std;
int n;
const int MAXN = 1e5 + 10;
int r[MAXN], cnt[MAXN], tot;
int main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin >> n;
    for(int i = 1; i <= n; ++i) cin >> r[i];
    for(int i = 1; i <= n; ++i) cnt[r[i]]++;
    for(int i = 1; i <= 100000; ++i)
    {
        if (cnt[i] > tot)
        {
            tot = cnt[i]; 
        }
        //if (i <= 5) cout << tot << '\n';
    }
    cout << tot << '\n';
    return 0;
}